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Restructuring, Impairment, and Other Exit Costs (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	May 31, 2020	May 26, 2019	May 31, 2020	May 26, 2019	May 27, 2018
Restructuring and Related Cost [Line Items]
Restructuring charges (recoveries), impairment, and other exit costs	$ 11.5			$ 77.6	$ 82.7
Impairment charge		$ 7.4		192.6	96.9
Restructuring actions previously announced [Member]
Restructuring and Related Cost [Line Items]
Restructuring charges (recoveries), impairment, and other exit costs			$ 50.2
Cash payments for restructuring			6.6	49.3
Targeted Actions In Global Supply Chain [Member]
Restructuring and Related Cost [Line Items]
Restructuring charges (recoveries), impairment, and other exit costs				80.2
Expected Total Payments for Restructuring			$ 24.0
Restructuring action completion date			May 29, 2022
Restructuring And Related Cost Expected Cost Remaining 1	$ 8.0		$ 8.0
Targeted Actions In Global Supply Chain [Member] \| Severance [Member]
Restructuring and Related Cost [Line Items]
Increase in estimated restructuring charges			3.0
Targeted Actions In Global Supply Chain [Member] \| Other Restructuring [Member]
Restructuring and Related Cost [Line Items]
Reduction in estimated restructuring charges			$ 4.0
Certain Brand Intangibles [Member]
Restructuring and Related Cost [Line Items]
Impairment charge				192.6	$ 96.9
Certain Manufacturing Assets [Member] \| North America Retail And Asia And Latin America [Member]
Restructuring and Related Cost [Line Items]
Restructuring charges (recoveries), impairment, and other exit costs				$ 14.8